For almost 800 years, the volcano Fagradalsfjall, located in Iceland’s southwest, kept its peace, before 50,000 smaller earthquakes within the span of three weeks announced its eruption. In the evening of March 19, 2021, the spectacle came to a grand finale. A spectacle indeed – the eruption on the Reykjanes peninsula turned out to be moderate and did not pose a threat to surrounding cities; the closest city, Nátthagakriki, was located almost 10 kilometers away. The natural wonder attracted thousands of onlookers – the images and movies of the glowing viscous mass, captured by the people of Iceland, allowed audiences from around the world to take part, and international research teams took advantage of the good geological location for their studies. One thing is evident: due to the massive seismic energy that was released, additional, stronger eruptions are to be expected. The timing, however, is a secret held by Fagradalsfjall alone.